diff --git a/lib/nvmf/rdma.c b/lib/nvmf/rdma.c
index 7d912a48f..6f87f93c8 100644
--- a/lib/nvmf/rdma.c
+++ b/lib/nvmf/rdma.c
@@ -2204,19 +2204,6 @@ spdk_nvmf_rdma_stop_listen(struct spdk_nvmf_transport *transport,
 	return 0;
 }
 
-static bool
-spdk_nvmf_rdma_qpair_is_idle(struct spdk_nvmf_qpair *qpair)
-{
-	struct spdk_nvmf_rdma_qpair *rqpair;
-
-	rqpair = SPDK_CONTAINEROF(qpair, struct spdk_nvmf_rdma_qpair, qpair);
-
-	if (rqpair->qd == 0) {
-		return true;
-	}
-	return false;
-}
-
 static void
 spdk_nvmf_rdma_qpair_process_pending(struct spdk_nvmf_rdma_transport *rtransport,
 				     struct spdk_nvmf_rdma_qpair *rqpair, bool drain)
@@ -3315,7 +3302,6 @@ const struct spdk_nvmf_transport_ops spdk_nvmf_transport_rdma = {
 	.req_complete = spdk_nvmf_rdma_request_complete,
 
 	.qpair_fini = spdk_nvmf_rdma_close_qpair,
-	.qpair_is_idle = spdk_nvmf_rdma_qpair_is_idle,
 	.qpair_get_peer_trid = spdk_nvmf_rdma_qpair_get_peer_trid,
 	.qpair_get_local_trid = spdk_nvmf_rdma_qpair_get_local_trid,
 	.qpair_get_listen_trid = spdk_nvmf_rdma_qpair_get_listen_trid,
diff --git a/lib/nvmf/tcp.c b/lib/nvmf/tcp.c
index fee21cd46..4ce313562 100644
--- a/lib/nvmf/tcp.c
+++ b/lib/nvmf/tcp.c
@@ -2712,19 +2712,6 @@ spdk_nvmf_tcp_poll_group_poll(struct spdk_nvmf_transport_poll_group *group)
 	return 0;
 }
 
-static bool
-spdk_nvmf_tcp_qpair_is_idle(struct spdk_nvmf_qpair *qpair)
-{
-	struct spdk_nvmf_tcp_qpair *tqpair;
-
-	tqpair = SPDK_CONTAINEROF(qpair, struct spdk_nvmf_tcp_qpair, qpair);
-	if (tqpair->state_cntr[TCP_REQUEST_STATE_FREE] == tqpair->max_queue_depth) {
-		return true;
-	}
-
-	return false;
-}
-
 static int
 spdk_nvmf_tcp_qpair_get_trid(struct spdk_nvmf_qpair *qpair,
 			     struct spdk_nvme_transport_id *trid, bool peer)
@@ -2840,7 +2827,6 @@ const struct spdk_nvmf_transport_ops spdk_nvmf_transport_tcp = {
 	.req_complete = spdk_nvmf_tcp_req_complete,
 
 	.qpair_fini = spdk_nvmf_tcp_close_qpair,
-	.qpair_is_idle = spdk_nvmf_tcp_qpair_is_idle,
 	.qpair_get_local_trid = spdk_nvmf_tcp_qpair_get_local_trid,
 	.qpair_get_peer_trid = spdk_nvmf_tcp_qpair_get_peer_trid,
 	.qpair_get_listen_trid = spdk_nvmf_tcp_qpair_get_listen_trid,
diff --git a/lib/nvmf/transport.c b/lib/nvmf/transport.c
index 7c8e193fa..2b7782d40 100644
--- a/lib/nvmf/transport.c
+++ b/lib/nvmf/transport.c
@@ -288,12 +288,6 @@ spdk_nvmf_transport_qpair_fini(struct spdk_nvmf_qpair *qpair)
 	qpair->transport->ops->qpair_fini(qpair);
 }
 
-bool
-spdk_nvmf_transport_qpair_is_idle(struct spdk_nvmf_qpair *qpair)
-{
-	return qpair->transport->ops->qpair_is_idle(qpair);
-}
-
 int
 spdk_nvmf_transport_qpair_get_peer_trid(struct spdk_nvmf_qpair *qpair,
 					struct spdk_nvme_transport_id *trid)
diff --git a/lib/nvmf/transport.h b/lib/nvmf/transport.h
index dca15231b..aaecff104 100644
--- a/lib/nvmf/transport.h
+++ b/lib/nvmf/transport.h
@@ -140,11 +140,6 @@ struct spdk_nvmf_transport_ops {
 	 */
 	void (*qpair_fini)(struct spdk_nvmf_qpair *qpair);
 
-	/*
-	 * True if the qpair has no pending IO.
-	 */
-	bool (*qpair_is_idle)(struct spdk_nvmf_qpair *qpair);
-
 	/*
 	 * Get the peer transport ID for the queue pair.
 	 */
@@ -198,8 +193,6 @@ int spdk_nvmf_transport_req_complete(struct spdk_nvmf_request *req);
 
 void spdk_nvmf_transport_qpair_fini(struct spdk_nvmf_qpair *qpair);
 
-bool spdk_nvmf_transport_qpair_is_idle(struct spdk_nvmf_qpair *qpair);
-
 int spdk_nvmf_transport_qpair_get_peer_trid(struct spdk_nvmf_qpair *qpair,
 		struct spdk_nvme_transport_id *trid);
 
diff --git a/test/unit/lib/nvmf/ctrlr_discovery.c/ctrlr_discovery_ut.c b/test/unit/lib/nvmf/ctrlr_discovery.c/ctrlr_discovery_ut.c
index 1c04e9f93..33d9fa7a6 100644
--- a/test/unit/lib/nvmf/ctrlr_discovery.c/ctrlr_discovery_ut.c
+++ b/test/unit/lib/nvmf/ctrlr_discovery.c/ctrlr_discovery_ut.c
@@ -135,12 +135,6 @@ spdk_nvmf_tgt_get_transport(struct spdk_nvmf_tgt *tgt, enum spdk_nvme_transport_
 	return &g_transport;
 }
 
-bool
-spdk_nvmf_transport_qpair_is_idle(struct spdk_nvmf_qpair *qpair)
-{
-	return false;
-}
-
 int
 spdk_nvme_transport_id_parse_trtype(enum spdk_nvme_transport_type *trtype, const char *str)
 {
diff --git a/test/unit/lib/nvmf/subsystem.c/subsystem_ut.c b/test/unit/lib/nvmf/subsystem.c/subsystem_ut.c
index efaf63ede..c276cdf3a 100644
--- a/test/unit/lib/nvmf/subsystem.c/subsystem_ut.c
+++ b/test/unit/lib/nvmf/subsystem.c/subsystem_ut.c
@@ -96,12 +96,6 @@ spdk_nvmf_transport_listener_discover(struct spdk_nvmf_transport *transport,
 	entry->trtype = 42;
 }
 
-bool
-spdk_nvmf_transport_qpair_is_idle(struct spdk_nvmf_qpair *qpair)
-{
-	return false;
-}
-
 static struct spdk_nvmf_transport g_transport = {};
 
 struct spdk_nvmf_transport *
diff --git a/test/unit/lib/nvmf/tcp.c/tcp_ut.c b/test/unit/lib/nvmf/tcp.c/tcp_ut.c
index 7b4ea75e9..ae83aa648 100644
--- a/test/unit/lib/nvmf/tcp.c/tcp_ut.c
+++ b/test/unit/lib/nvmf/tcp.c/tcp_ut.c
@@ -359,32 +359,6 @@ test_nvmf_tcp_poll_group_create(void)
 	spdk_thread_exit(thread);
 }
 
-static void
-test_nvmf_tcp_qpair_is_idle(void)
-{
-	struct spdk_nvmf_tcp_qpair tqpair;
-
-	memset(&tqpair, 0, sizeof(tqpair));
-
-	/* case 1 */
-	tqpair.max_queue_depth = 0;
-	tqpair.state_cntr[TCP_REQUEST_STATE_FREE] = 0;
-	CU_ASSERT(spdk_nvmf_tcp_qpair_is_idle(&tqpair.qpair) == true);
-
-	/* case 2 */
-	tqpair.max_queue_depth = UT_MAX_QUEUE_DEPTH;
-	tqpair.state_cntr[TCP_REQUEST_STATE_FREE] = 0;
-	CU_ASSERT(spdk_nvmf_tcp_qpair_is_idle(&tqpair.qpair) == false);
-
-	/* case 3 */
-	tqpair.state_cntr[TCP_REQUEST_STATE_FREE] = 1;
-	CU_ASSERT(spdk_nvmf_tcp_qpair_is_idle(&tqpair.qpair) == false);
-
-	/* case 4 */
-	tqpair.state_cntr[TCP_REQUEST_STATE_FREE] = UT_MAX_QUEUE_DEPTH;
-	CU_ASSERT(spdk_nvmf_tcp_qpair_is_idle(&tqpair.qpair) == true);
-}
-
 int main(int argc, char **argv)
 {
 	CU_pSuite	suite = NULL;
@@ -403,8 +377,7 @@ int main(int argc, char **argv)
 	if (
 		CU_add_test(suite, "nvmf_tcp_create", test_nvmf_tcp_create) == NULL ||
 		CU_add_test(suite, "nvmf_tcp_destroy", test_nvmf_tcp_destroy) == NULL ||
-		CU_add_test(suite, "nvmf_tcp_poll_group_create", test_nvmf_tcp_poll_group_create) == NULL ||
-		CU_add_test(suite, "nvmf_tcp_qpair_is_idle", test_nvmf_tcp_qpair_is_idle) == NULL
+		CU_add_test(suite, "nvmf_tcp_poll_group_create", test_nvmf_tcp_poll_group_create) == NULL
 	) {
 		CU_cleanup_registry();
 		return CU_get_error();